SNDRV_PCM_IOCTL_INFO  576 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_INFO		_IOR('A', 0x01, struct snd_pcm_info)
SNDRV_PCM_IOCTL_INFO  576 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_INFO		_IOR('A', 0x01, struct snd_pcm_info)